70 mhz vertical

Swiss Quad for 10 and 6 meters  ^pop - Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz.

Ground System on a 160M vertical - Ground system measurements on a 160 M vertical by Rudy Severns N6LF

20m T-Monopole - 20m T-Monopole short vertical antenna for 20 meters by AA5TB

M3FVB 2 meter quad - Photos and building procedure for a home brew 2 elements Quad for 144 mhz.

80M Vertical antenna with capacitance hat  ^pop - Simple wire antenna cheap to make, using readily available materials, Low angle radiation, with rejection of high angle signals Wide bandwidth, with resonance at the 80M DX window (3.790-3.800 MHz); and Maximum height is 40 feet

Antenna Modelling - Antenna modelling notes, including wich antenna modelling software choose and where to find useful resources for antenna planning and home-brewing.

Modified Buddipole for 40 to 10 Meters - This is modified version of buddipole antenna, using vertical wires instead of telescopic ends by ks7j

A two dollar helical hf portable antenna  ^pop - Here’s an easily transportable vertical antenna for 20 meters collapsible to 4 feet that costs about $2.00 to make. This was created as a fun project to demonstrate how to enjoy operating HF in the field with a home-made portable antenna without spending a ton of money. Bev AH6NF (YL) made this antenna, tuned and ready to operate in less than one hour

Handi-Tenna portable satellite antenna - Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip

Add 60 meters to butternut vertical antenna - The Butternut vertical is a great antenna in that it covers all HF bands from 160- though 10-meters (or 160-30 meters for the HF-2V) except 60-meters. This article describes three methods to add 60 meters to your Butternut vertical without losing any other bands.

IK-STIC 2 vertical multiband antenna - The IK-STIC 2 is a vertical, all band, antenna that is over 25 feet tall yet weighs under 5 pounds. Based on a telescopic pipe or a fiberglass fishing pole, using a tuner it can easily cover the amateur radio HF bands from 40 - 10 Meters

50-MHz Real Audio Clips - Audio clips from cycle 20 to cycle 23, includes some interesting audio files dated 1969 and 1979.

The PA2S 50 MHz Tape Archives - The PA2S Tape Archives. Many RealAudio sound clips of 50 MHz DX contacts, recorded during solar cycle 21 and 22.

KVK Antenna Systems - The manufacturer of the NuBeam, Vipole, and the multi-band Quad-Folded-Dipole (or QFD for short) antenna. Also have a unique multiband vertical which can combine operation on multiple HF frequencies as well as provide high gain on 50, 144 and 438MHz in a single antenna.

PD0HNI ATV projects Priority listing - Pd0hni 3cm 6cm 13cm 23cm 70cm ATV projects

WA4DSY 56KB RF Modem - This is a prototype of the WA4DSY 56KB RF modem. It is intended for use on amateur packet radio networks. The modem generates RF in the 28 to 30 mhz range and requires and linear transverter to convert the signal to a UHF or microwave ham band

A low power 3.5MHz ARDF transmitter - This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.

ICOM IC-706 Review - Eham review for ICOM IC-706 - All flavors

ICOM IC-706 mark IIG - IC706 Specifications by universal radio inc

Icom - IC-706 Picture and data - Large picture and technical specifications by rigpix

Yaesu VX-150 mods - Expanded Transmit for the Vertex VX-110 & VX-150 and MARS/CAP modification for VX-150R 140-174 MHz

IC-2720H Extended TX/RX Mod - IC-2720H it will receive fine on 220MHz amateur band, but will NOT transmit there

N4ATS.com - N4ATS - Devoted to the Yaesu FL-7000 Amplifier. I have been rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier for 15 years. Over 200 units completed and counting!

Icom CAT Control - CAT Control for Icom IC-706-IC706MKII-IC706MKII/G and IC-7000 with MEMORY management

Eetimes.com EU urged to push BPL - European regulators are urging governments and industry to increase R&D efforts into and deployment of broadband over power lines to homes and small businesses